Add 30/10 and 81/80
1st number: 3 0/10, 2nd number: 1 1/80
30/10 + 81/80 is 321/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
30/10 = 30 × 8/10 × 8 = 240/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
81/80 = 81 × 1/80 × 1 = 81/80 - Add the two like fractions:
240/80 + 81/80 = 240 + 81/80 = 321/80 - So, 30/10 + 81/80 = 321/80
In mixed form: 41/80
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